Thermally stable, rigid dibasic acids

Details Thermally stable, rigid dibasic acids Thermally stable, rigid dibasic acids

1977-08-26

1978-06-20

Phynes, Lucille M.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

560 89, C07C 6976

Patent

active

040963411

ABSTRACT:
Thermally stable, rigid dibasic acids of the formula ##STR1## wherein R.sup.1 is arylene or substituted arylene, are used to prepare thermally stable, rigid polyesters of the formula ##STR2## WHERE R.sup.2 is arylene or substituted arylene, and n is at least 10.

REFERENCES:
patent: 3440221 (1969-04-01), Quisenberry
patent: 3477989 (1969-11-01), Zorn et al.
patent: 3511809 (1970-05-01), Hogsed et al.
patent: 3522217 (1970-07-01), Weimar

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